The products can be applied in kinds of industrial fields such as the railway, road, bridge, tunnel projects, steel structure factory houses, high-rise buildings, aircraft storehouse and so on.Product Feature GB/T897-901 SH3404 HG20613, 20634 DIN938, 939, 949 IFI136, 528 ASTMA193, A193M A320, A320MGRADE: 8.8, 10.9, 2B 35CM, B7, B7M, L7, L7MProduct Specification/Models SIZE: M6-M100, 1/4"-4"MATERIAL: Carbon steel Alloy steel